FLATFISHES. XORMAX. 265 



imbricated, ctenoid on both sides of body; a patch of 

 small scales on dorsal surface of each eyeball. Lateral 

 line with a slight curve anteriorly ; no accessory branches. 

 Intestinal tract rather elongate. 



A single species from New Zealand. 



1. Pelotretis flarilatus. 

 [Lemon Sole.] 



Pelotretis flavilatus, Waite, Proc. New Zealand Inst., 

 1910, pt. ii, p. 50; Kec. Canterbury Mus., I, 1911, p. 

 212, pi. XLI. 



Depth of body If to 2| in the length, length of head 

 about 5. Dorsal profile of head distinctly concave. Snout 

 shorter than eye, diameter of which is 4 to 4^ in length 

 of head ; lower eye a little in advance of upper ; inter- 

 orbital space scaly, its width 2f to 3| in diameter of eye ; 

 a bony knob in front of lower eye. Maxillary extend- 

 ing to below anterior edge of eye or not quite as far; 

 length of lower jaw of ocular side 2f to 3 in head; no 

 symphysial knob. Teeth acute, close-set, band in lower 

 jaw a little broader than that in upper. Lower pharyn- 

 geals 5 to 6 times as long as broad, in contact for 

 anterior ^ of their length. Gill-rakers conical or with 

 two or three points distally, 7 to 9 on lower part of 

 anterior arch. Scales of ocular side more strongly den- 

 ticulated than those of blind side, some of which may be 

 quite smooth. 77 to 85 scales in a longitudinal series 

 just above lateral line, 28 to 30 between lateral line and 

 highest point of dorsal profile. Dorsal 83-91 ; origin a 

 little on blind side of head ; none of the rays entirely free ; 

 longest rays 2 to 2^ in length of head. Anal 70-75. Right 

 pectoral with 11 to 13 rays (10 to 11 branched), scaly, 

 length If to If in head ; left pectoral shorter, scaly 

 only at base. Anterior ray of right pelvic inserted just 

 behind level of maxillary of blind side, all rays scaly, 

 at least on ocular side; first ray of left pelvic opposite 

 sixth or seventh of right. Caudal with 2/14/2 rays; 

 rounded ; scales extending on to both sides. Caudal 

 peduncle 4 to 6 times as deep as long, depth 1^ to 1^ in 

 length of head. Length of intestinal tract a little more 

 than that of fish ; a large coil followed by a series of 

 irregular loops. Ocular side greyish or brownish, some- 

 times with irregular darker patches; blind side whitish. 



